Step-1 : Make a shitty dapp on top of Steem blockchain
Step-2 : Receive a free million SP from Steemit Inc
Step-3 : Get a couple of hundreds of fake accounts and post on the dapp platform
Step-4 : Use that SP to upvote your fake accounts and your friends and family accounts
Step-5 : Once people start noticing, milk the system as much as you can and go for an exit strategy
You can learn more about this just by doing a small case study on Dlive